Envirosan Eazi Flush
The Envirosan Eazi Flush converts VIP latrines and urine diversion toilets into a flush system.
Eazi Flush is a toilet used to convert Ventilated Improved Pit (VIP) and urine diversion toilets to a flush system. The toilet can be connected to an existing piped sewer network or operate as a pour flush or low flush toilet in areas with no piped water available. When used as a pour flush toilet the Eazi flush requires 2 liters per flush.
South Africa. Envirosan is based in South Africa and is focusing on the South African market where there are a lot of VIP latrines with the potential to upgrade to the Eazi Flush.
Goal 6: Clean water and sanitation
Households and communities without access to improved sanitation. Users seeking to convert a pit latrine to a flush toilet. Users seeking a low flush toilet that conserves water resources.
As of 2016, pilot programs and government implementations estimate that over 700 toilets have been distributed.
Type of toilet
Method of evacuation
How the fecal sludge is stored
The holding volume of the containment
Time until emptying is estimated to be needed
The Eaziflush is constructed out of molded plastics. When used as a pour flush toilet, each flush requires 1.5-2 liters of water (which can be greywater or rainwater). The Eaziflush has an incorporated child seat lid. The product can be connected to any backend but according to manufacturer it fills a pit a third of the speed of a corresponding VIP latrine.
Envirosan provides a maintenance and support service for all of the equipment supplied.
All components are produced by Envirosan and available from them.
– look and operate similar to a flush toilet
– eliminate odor due to the water seal
– be safe for children
– have a low risk of blocking when using toilet paper or newspaper
– have multiple back-end options
– demand minimal user intervention
– save water
The Eaziflush only needs 1-2 L of water per flush depending on the type of excreta and paper used.
Compared to VIP toilets, user safety is increased due to water seal in U-trap between user and waste pit. The water seal prevents flies from entering the facility and keeps waste away from the user. Children are also protected from the hazards of falling into waste pits and exposure to decommissioned, full waste pits. Community members are calling it “the safe toilet”.
A child toilet seat is incorporated into the design which features a lid, child seat, and adult seat. The toilet has to be connected to a sewer system or a storage of some sort.
The manufacturer cites evaluation criteria as liters per flush, safety, odor and risk of blocking as parameters for evaluation.
- “Evaluation of the pour flush toilets in schools and households” in South Africa.
- “How pour flush toilets are driving away South Africas sanitation backlog”
- “Low flush latrines for public schools”
- “Developing a low flush latrine for application in public schools”
- “Investigation into Pollution from On-Site Dry Sanitation Systems”
- Pour flush trials in the Western Cape
- An overview of the WRC pour flush toilet
Promotional videos can be viewed here.
A video about the pour flush technology is found here
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